... low air pressure 3.Suitable for many types of DTH Hammer 4.Water hole:two 5.Face type:Concave,flat, ... DTH Bit can be suitable for many types of DTH Hammer, such as XL, Mission, COP, IR, Mach, Demag, SD, ... Bulroc, Halco Mach, Digger etc.DTH bit is our main product. After mang years search, we have rich experience in ... 14171528×Φ147×Φ1617.51658×Φ148×Φ1618.5 Down the hole hammer drill bits for IR COP Xl